175 lines
7.4 KiB
C
175 lines
7.4 KiB
C
/*
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protocol.h - communications protocols
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Copyright (C) 2007 Uncle Mike
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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*/
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#ifndef PROTOCOL_H
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#define PROTOCOL_H
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#define PROTOCOL_VERSION 45
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// server to client
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#define svc_bad 0 // immediately crash client when received
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#define svc_nop 1 // does nothing
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#define svc_disconnect 2 // kick client from server
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#define svc_changing 3 // changelevel by server request
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#define svc_version 4 // [long] server version
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#define svc_setview 5 // [short] entity number
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#define svc_sound 6 // <see code>
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#define svc_time 7 // [float] server time
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#define svc_print 8 // [byte] id [string] null terminated string
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#define svc_stufftext 9 // [string] stuffed into client's console buffer
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#define svc_setangle 10 // [angle angle angle] set the view angle to this absolute value
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#define svc_serverdata 11 // [long] protocol ...
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#define svc_lightstyle 12 // [index][pattern]
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#define svc_updateuserinfo 13 // [byte] playernum, [string] userinfo
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#define svc_deltatable 14 // [table header][...]
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#define svc_clientdata 15 // [...]
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#define svc_stopsound 16 // <see code>
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#define svc_updatepings 17 // [bit][idx][ping][packet_loss]
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#define svc_particle 18 // [float*3][char*3][byte][byte]
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#define svc_frame 19 // <OBSOLETE>
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#define svc_spawnstatic 20 // creates a static client entity
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#define svc_event_reliable 21 // playback event directly from message, not queue
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#define svc_spawnbaseline 22 // <see code>
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#define svc_temp_entity 23 // <variable sized>
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#define svc_setpause 24 // [byte] 0 = unpaused, 1 = paused
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#define svc_signonnum 25 // [byte] used for the signon sequence
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#define svc_centerprint 26 // [string] to put in center of the screen
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#define svc_event 27 // playback event queue
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#define svc_soundindex 28 // [index][soundpath]
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#define svc_ambientsound 29 // <see code>
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#define svc_intermission 30 // empty message (event)
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#define svc_modelindex 31 // [index][modelpath]
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#define svc_cdtrack 32 // [string] trackname
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#define svc_serverinfo 33 // [string] key [string] value
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#define svc_eventindex 34 // [index][eventname]
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#define svc_weaponanim 35 // [byte]iAnim [byte]body
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#define svc_bspdecal 36 // [float*3][short][short][short]
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#define svc_roomtype 37 // [short] room type
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#define svc_addangle 38 // [angle] add angles when client turn on mover
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#define svc_usermessage 39 // [byte][byte][string] REG_USER_MSG stuff
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#define svc_packetentities 40 // [short][...]
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#define svc_deltapacketentities 41 // [short][byte][...]
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#define svc_chokecount 42 // [byte]
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#define svc_resourcelist 43 // [short][...]
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#define svc_deltamovevars 44 // [movevars_t]
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#define svc_customization 45
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#define svc_crosshairangle 47 // [byte][byte]
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#define svc_soundfade 48 // [float*4] sound fade parms
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#define svc_director 51 // <variable sized>
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#define svc_studiodecal 52 // [float*3][float*3][short][short][byte]
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#define svc_querycvarvalue 57 // [string]
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#define svc_querycvarvalue2 58 // [string][long] (context)
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#define svc_lastmsg 64 // start user messages at this point
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// client to server
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#define clc_bad 0 // immediately drop client when received
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#define clc_nop 1
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#define clc_move 2 // [[usercmd_t]
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#define clc_stringcmd 3 // [string] message
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#define clc_delta 4 // [byte] sequence number, requests delta compression of message
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#define clc_resourcelist 5
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#define clc_userinfo 6 // [[userinfo string]
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#define clc_fileconsistency 7
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#define clc_voicedata 8
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#define clc_requestcvarvalue 9
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#define clc_requestcvarvalue2 10
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#define MAX_VISIBLE_PACKET 512 // 512 visible entities per frame (hl1 has 256)
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// additional protocol data
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#define MAX_CLIENT_BITS 5
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#define MAX_CLIENTS (1<<MAX_CLIENT_BITS)// 5 bits == 32 clients ( int32 limit )
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#define MAX_WEAPON_BITS 5
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#define MAX_WEAPONS (1<<MAX_WEAPON_BITS)// 5 bits == 32 weapons ( int32 limit )
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#define MAX_EVENT_BITS 10
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#define MAX_EVENTS (1<<MAX_EVENT_BITS) // 10 bits == 1024 events (the original Half-Life limit)
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#define MAX_MODEL_BITS 11
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#define MAX_MODELS (1<<MAX_MODEL_BITS) // 11 bits == 2048 models
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#define MAX_SOUND_BITS 11
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#define MAX_SOUNDS (1<<MAX_SOUND_BITS) // 11 bits == 2048 sounds
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#define MAX_ENTITY_BITS 12
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#define MAX_EDICTS (1<<MAX_ENTITY_BITS)// 12 bits = 4096 edicts
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#define MAX_CUSTOM 1024 // max custom resources per level
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#define MAX_USER_MESSAGES 191 // another 63 messages reserved for engine routines
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#define MAX_DLIGHTS 32 // dynamic lights (rendered per one frame)
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#define MAX_ELIGHTS 64 // entity only point lights
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#define MAX_LIGHTSTYLES 256 // a byte limit, don't modify
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#define MAX_RENDER_DECALS 4096 // max rendering decals per a level
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// sound flags
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#define SND_VOLUME (1<<0) // a scaled byte
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#define SND_ATTENUATION (1<<1) // a byte
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#define SND_LARGE_INDEX (1<<2) // a send sound as short
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#define SND_PITCH (1<<3) // a byte
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#define SND_SENTENCE (1<<4) // set if sound num is actually a sentence num
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#define SND_STOP (1<<5) // stop the sound
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#define SND_CHANGE_VOL (1<<6) // change sound vol
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#define SND_CHANGE_PITCH (1<<7) // change sound pitch
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#define SND_SPAWNING (1<<8) // we're spawning, used in some cases for ambients
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// decal flags
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#define FDECAL_PERMANENT 0x01 // This decal should not be removed in favor of any new decals
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#define FDECAL_USE_LANDMARK 0x02 // This is a decal applied on a bmodel without origin-brush so we done in absoulute pos
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#define FDECAL_DONTSAVE 0x04 // Decal was loaded from adjacent level, don't save it for this level
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#define FDECAL_CLIPTEST 0x08 // Decal needs to be clip-tested
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#define FDECAL_NOCLIP 0x10 // Decal is not clipped by containing polygon
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#define FDECAL_USESAXIS 0x20 // Uses the s axis field to determine orientation (footprints)
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#define FDECAL_STUDIO 0x40 // Indicates a studio decal
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// Max number of history commands to send ( 2 by default ) in case of dropped packets
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#define NUM_BACKUP_COMMAND_BITS 4
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#define MAX_BACKUP_COMMANDS (1 << NUM_BACKUP_COMMAND_BITS)
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// world size
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#define MAX_COORD_INTEGER (16384) // world half-size, modify with precaution
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#define MIN_COORD_INTEGER (-MAX_COORD_INTEGER)
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#define MAX_COORD_FRACTION ( 1.0 - ( 1.0 / 16.0 ))
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#define MIN_COORD_FRACTION (-1.0 + ( 1.0 / 16.0 ))
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// network precision
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#define COORD_INTEGER_BITS 14
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#define COORD_FRACTIONAL_BITS 5
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#define COORD_DENOMINATOR ( 1 << ( COORD_FRACTIONAL_BITS ))
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#define COORD_RESOLUTION (1.0 / ( COORD_DENOMINATOR ))
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#define NORMAL_FRACTIONAL_BITS 11
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#define NORMAL_DENOMINATOR (( 1 << ( NORMAL_FRACTIONAL_BITS )) - 1 )
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#define NORMAL_RESOLUTION ( 1.0 / ( NORMAL_DENOMINATOR ))
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// verify that coordsize.h and worldsize.h are consistently defined
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#if( MAX_COORD_INTEGER != ( 1 << COORD_INTEGER_BITS ))
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#error MAX_COORD_INTEGER does not match COORD_INTEGER_BITS
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#endif
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#define MAX_RESOURCES (MAX_MODELS+MAX_SOUNDS+MAX_CUSTOM+MAX_EVENTS)
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typedef struct
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{
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int rescount;
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int restype[MAX_RESOURCES];
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char resnames[MAX_RESOURCES][CS_SIZE];
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} resourcelist_t;
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#endif//PROTOCOL_H
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